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Mechanical cardiac valvular prostheses.

C W Akins1

  • 1Cardiac Surgical Unit, Massachusetts General Hospital, Boston 02114.

The Annals of Thoracic Surgery
|July 1, 1991
PubMed
Summary
This summary is machine-generated.

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Mechanical heart valves dominate the market, but no design is perfect. Long-term data suggests St. Jude Medical and Medtronic-Hall valves have fewer complications.

Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Prosthetic Devices

Background:

  • Mechanical cardiac valvular prostheses hold a significant market share over tissue prostheses in the US and globally.
  • Available mechanical valves in the US include Starr-Edwards, Medtronic-Hall, St. Jude Medical, and Omniscience.
  • No current mechanical valve design has achieved complete functional perfection.

Purpose of the Study:

  • To review the current landscape of mechanical cardiac valvular prostheses.
  • To compare the advantages and disadvantages of available mechanical valve designs.
  • To evaluate late follow-up data on valve-related complications.

Main Methods:

  • Literature review of available mechanical cardiac valvular prostheses.

Related Experiment Videos

  • Analysis of market share data in the United States and worldwide.
  • Evaluation of long-term complication data for specific mechanical valve models.

    • Main Results:

    • Mechanical valves maintain a 60% to 40% market-share advantage over tissue valves.
    • St. Jude Medical and Medtronic-Hall valves show favorable outcomes in late follow-up regarding complications.
    • Despite advantages, no mechanical valve design is functionally perfect.

    Conclusions:

    • The St. Jude Medical and Medtronic-Hall valves are favored based on long-term complication data.
    • Ongoing research and development are needed to achieve functional perfection in mechanical heart valves.
    • Understanding the long-term performance of different mechanical valves is crucial for clinical decision-making.